The mansion was first listed more than 10 years ago. It’s not unusual for opulent homes to go unsold for extended periods.

How many bedrooms does a single empty-nester need? Well, if you’re tech billionaire Bill Gates the answer is apparently seven ...

This Upper East Side co-op penthouse located a stone’s throw from the Metropolitan Museum of Art is looking for its next ...

With 1,320 rental apartments and a host of amenities, 25 Water Street is the country’s largest office-to-residential ...